Your dog is 70 pounds, about 30 kilograms, so his dose would be 600,000 units. If your penicillin is Penicillin G, at 30,000 units per ml, the dose would be 2 to 2.5 ml, intramuscularly, daily for 7 to 14 days. read more
Perfect, 300,000 units per mL is what I needed to know. The typical dose for a 40 pound dog would be about 2 mL given subcutaneously twice daily. read more